Effect of mineral admixtures on the properties of grouting materials made from a ternary complex system
Source abstract
Abstract
Novel research on the preparation of grouting materials with a high volume of mineral admixtures is presented. The grouting materials were made from a ternary complex system containing sulfoaluminate cement, aluminate cement and gypsum. The maximum contents of fly ash (FA) and ultrafine slag (UFS) in the grouting materials only containing FA or UFS were 17 wt% and 23 wt%, respectively. It was found that the incorporation of both FA and UFS greatly improved the properties of the grouts, mainly due to their composite compensation effect. The grouts containing UFS and FA in the weight ratio of 1:5, replacing 40% of the cementitious materials, showed high fluidity and the initial and 30 min fluidity values were the same (320 mm). The compressive strength at 3 d and 28 d reached 56·5 MPa and 76·4 MPa, respectively.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Grouting, Rheology, and Soil Mechanics · Concrete and Cement Materials Research · Microbial Applications in Construction Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Senior Engineer, Department of Civil Engineering, Research and Development Base on Solid Waste Comprehensive Utilization in Changzhi, Shanxi University, Taiyuan, China (corresponding author: )
Assistant Professor, Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, China
Lecturer, Department of Civil Engineering, Shanxi University, Taiyuan, China
References (37)
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